Table 3.
Demographic distribution of participants during the enrollment modification.
| Demographic characteristics | Original (N=22) | Modification 1 (N=60) | Modification 2 (N=143) | Modification 3 (N=494) | |
|
|
n (%) | n (%) | n (%) | n (%) | |
| Agea |
|
|
|
|
|
|
|
Verified 18-39 | 0 (0) | 5 (8) | 7 (4.9) | 3 (0.6) |
|
|
18-24 | 2 (9) | 20 (33) | 45 (31.5) | 147 (29.8) |
|
|
25-29 | 9 (41) | 17 (28) | 50 (35.0) | 150 (30.4) |
|
|
30-34 | 9 (41) | 13 (22) | 28 (19.6) | 108 (21.9) |
|
|
35-39 | 2 (9) | 5 (8) | 13 (9.1) | 86 (17.4) |
| Race/ethnicityb |
|
|
|
|
|
|
|
No response | 1 (5) | 6 (10) | 8 (5.6) | 20 (4.0) |
|
|
Black/African American | 6 (27) | 8 (13) | 31 (21.7) | 87 (17.6) |
|
|
Hispanic or Latino | 2 (9) | 9 (15) | 15 (10.5) | 87 (17.6) |
|
|
White | 12 (55) | 31 (52) | 79 (55.2) | 269 (54.5) |
|
|
Other | 1 (5) | 6 (10) | 10 (7.0) | 31 (6.3) |
| Education levelc |
|
|
|
|
|
|
|
No response | 0 (0) | 4 (7) | 11 (7.7) | 20 (4.0) |
|
|
High school/ GED | 3 (14) | 14 (23) | 16 (11.2) | 83 (16.8) |
|
|
Trade/vocational school | 1 (5) | 1 (2) | 3 (2.1) | 41 (8.3) |
|
|
Some college | 8 (36) | 20 (33) | 64 (44.8) | 226 (45.7) |
|
|
Bachelor's degree | 9 (41) | 16 (27) | 30 (21.0) | 86 (17.4) |
|
|
Postgraduate degree | 1 (5) | 4 (7) | 19 (13.3) | 38 (8.0) |
aNote that participants are not required to give exact age but simply confirm to be between 18 and 39 years old.
bNote that responses to race/ethnicity and education level are not mandatory.
cP<.05.